<?php

class ConvertXml extends Model {
    
}
function xml2array($contents, $get_attributes=1) {
		if(!$contents) return array();

		if(!function_exists('xml_parser_create')) {
			//print "'xml_parser_create()' function not found!";
			return array();
		}
		//Get the XML parser of PHP - PHP must have this module for the parser to work
		$parser = xml_parser_create();
		xml_parser_set_option( $parser, XML_OPTION_CASE_FOLDING, 0 );
		xml_parser_set_option( $parser, XML_OPTION_SKIP_WHITE, 1 );
		xml_parse_into_struct( $parser, $contents, $xml_values );
		xml_parser_free( $parser );

		if(!$xml_values) return;//Hmm...

		//Initializations
		$xml_array = array();
		$parents = array();
		$opened_tags = array();
		$arr = array();

		$current = &$xml_array;

		//Go through the tags.
		foreach($xml_values as $data) {
			unset($attributes,$value);//Remove existing values, or there will be trouble

			//This command will extract these variables into the foreach scope
			// tag(string), type(string), level(int), attributes(array).
			extract($data);//We could use the array by itself, but this cooler.

			$result = '';
			if($get_attributes) {//The second argument of the function decides this.
			$result = array();
			if(isset($value)) $result['value'] = $value;

			//Set the attributes too.
			if(isset($attributes)) {
				foreach($attributes as $attr => $val) {
				if($get_attributes == 1) $result['attr'][$attr] = $val; //Set all the attributes in a array called 'attr'
				/**  :TODO: should we change the key name to '_attr'? Someone may use the tagname 'attr'. Same goes for 'value' too */
				}
			}
			} elseif(isset($value)) {
			$result = $value;
			}

			//See tag status and do the needed.
			if($type == "open") {//The starting of the tag '<tag>'
			$parent[$level-1] = &$current;

			if(!is_array($current) or (!in_array($tag, array_keys($current)))) { //Insert New tag
				$current[$tag] = $result;
				$current = &$current[$tag];

			} else { //There was another element with the same tag name
				if(isset($current[$tag][0])) {
				array_push($current[$tag], $result);
				} else {
				$current[$tag] = array($current[$tag],$result);
				}
				$last = count($current[$tag]) - 1;
				$current = &$current[$tag][$last];
			}

			} elseif($type == "complete") { //Tags that ends in 1 line '<tag />'
			//See if the key is already taken.
			if(!isset($current[$tag])) { //New Key
				$current[$tag] = $result;

			} else { //If taken, put all things inside a list(array)
				if((is_array($current[$tag]) and $get_attributes == 0)//If it is already an array...
					or (isset($current[$tag][0]) and is_array($current[$tag][0]) and $get_attributes == 1)) {
				array_push($current[$tag],$result); // ...push the new element into that array.
				} else { //If it is not an array...
				$current[$tag] = array($current[$tag],$result); //...Make it an array using using the existing value and the new value
				}
			}

			} elseif($type == 'close') { //End of tag '</tag>'
			$current = &$parent[$level-1];
			}
		}

	return($xml_array);
	}
}



?>
